MESON Chess Problem Database

Problem Display
PID: 271877 (2N5/3nb3/3R2n1/3R4/2P1kpp1/5rQN/5P2/5K2 w - - 0 1)

Slade, TE

Sunday Referee, 1933

(First published on Sun Dec 10 1933)

2N5/3nb3/3R2n1/3R4/2P1kpp1/5rQN/5P2/5K2

#2

8 + 7

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf2+
      • 2.Sxf2#
    • 1...Rd3
      • 2.Qxd3#
    • 1...Bg5
      • 2.Sxg5#
    • 1...Bxd6
      • 2.Sg5#
      • 2.Sxd6#
    • 1...Bf8
      • 2.Sg5#
    • 1...Sf6
      • 2.Sg5#
    • 1...gxh3
      • 2.Qxg6#
  • Tries
    • 1.Sxe7?
      • threat
        • 2.Sg5#
      • 1...Rxf2+
        • 2.Sxf2#
      • 1...gxh3
        • 2.Qxg6#
      • 1...fxg3!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Sg5#
      • 1...Rxf2+
        • 2.Sxf2#
      • 1...Bxf6
        • 2.Sd6#
      • 1...gxh3
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(a);CHECK,XP(B)::S(D),XR(a)
    • R(a);N_PINP(B),OGATE::QAB1(C),XR(a)
    • B(g);N_GUARD::S(D),XB(g)
    • B(g);N_GUARD::S(D)
    • S(f);S_CUTB(g)::S(D)
    • P(d);OGATE,XS(D)::QAB(C),XS(e)
  • Tries
    • Try
      • S(H);XB(g)
      • Threat
        • S(D)
      • Vars
        • R(a);CHECK,XP(B)::S(D),XR(a)
        • P(d);OGATE,XS(D)::QAB(C),XS(e)
      • Refutation
        • P(c);XQ(C)
  • Actual
    • R(G);
    • Threat
      • S(D)
    • Vars
      • R(a);CHECK,XP(B)::S(D),XR(a)
      • B(g);N_GUARD,XR(G)::S(H)
      • P(d);OGATE,XS(D)::QAB(C),XS(e)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).